org.apache.spark.sql.catalyst.analysis

EmptyFunctionRegistry

object EmptyFunctionRegistry extends FunctionRegistry

A trivial catalog that returns an error when a function is requested. Used for testing when all functions are already filled in and the analyzer needs only to resolve attribute references.

Linear Supertypes
FunctionRegistry, AnyRef, Any
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  1. EmptyFunctionRegistry
  2. FunctionRegistry
  3. AnyRef
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Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def clear(): Unit

    Clear all registered functions.

    Clear all registered functions.

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  9. def dropFunction(name: String): Boolean

    Drop a function and return whether the function existed.

    Drop a function and return whether the function existed.

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  10. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  12. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  13. def functionExists(name: String): Boolean

    Checks if a function with a given name exists.

    Checks if a function with a given name exists.

    Definition Classes
    FunctionRegistry

  14. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  15. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  16. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  17. def listFunction(): Seq[String]

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  18. def lookupFunction(name: String): Option[ExpressionInfo]

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  19. def lookupFunction(name: String, children: Seq[Expression]): Expression

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  20. def lookupFunctionBuilder(name: String): Option[(Seq[Expression]) ⇒ Expression]

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  21. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  22. final def notify(): Unit

    Definition Classes
    AnyRef

  23. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  24. def registerFunction(name: String, info: ExpressionInfo, builder: (Seq[Expression]) ⇒ Expression): Unit

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  25. final def registerFunction(name: String, builder: (Seq[Expression]) ⇒ Expression): Unit

    Definition Classes
    FunctionRegistry

  26. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  27. def toString(): String

    Definition Classes
    AnyRef → Any

  28. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  29. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  30. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from FunctionRegistry

Inherited from AnyRef

Inherited from Any

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